Questions tagged [vswitch]

Hyper-V's (internal or External) Virtual Switch

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2answers
85 views

Hyper-V same host VM to VM communication

I am trying to get a concrete confirmation with supporting documentation on how vms communicate to each other if residing on the same host. From what I have read on multiple threads: 'VM's will not ...
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1answer
75 views

How to create IPv6 port group on vSwitch VMware ESXi 6.5

I was wondering how to create a IPv6 port group on a vSwitch in ESXi 6.5. I have IPV6 enabled on all the hosts in my cluster, and when creating the port group it does not ask me if it is IPv6 or not. ...
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1answer
97 views

VMWare & VLANs - why am I able to access one VM but not another?

I have two virtual machines on a VMWare ESXi server - a Sophos Firewall and a Windows Server. On the LAN side of my network, I have a bunch of devices and a Cisco ATA connected to a real switch. This ...
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0answers
189 views

Where do all the little vEthernet (Default Switch) come from?

Potentially related to this question or that one, I currently have 16 "vEthernet (Default Switch)"es around ("Standardswitch" in German, though I doubt l10n has anything to do with this). All but one ...
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1answer
58 views

link aggregation between vSwitch and physical switch?

Simple use case: one ESXi host installed on a physical server with two 1G NICs, both connected to one ToR physical L3 switch. The ESXi host has one vSwitch with both NICs as active uplinks, for ...
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0answers
2k views

OpenStack Hyper-V vSwitch not being selected

I'm updating this, as the original did not get much support. And, I'm not seeing that error anymore since restarting with a fresh install using packstack. To help try to "help you, help me." I am ...
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1answer
2k views

Creating a virtual switch between two VMs, without a physical uplink, in VMware ESXi/vSphere

I am trying to create a virtual switch in VMware ESXi 6.7.0, to be used only for communicating between two virtual machines. I created the switch without an uplink and added it to two machines. In ...
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1answer
1k views

ESXi VMs randomly lose network on reboot; only resolution to pull NICs and reassign new NIC driver with static MAC

We have one ESXi server (HP-ESXi-6.0.0 build-2492585) that has multiple VMs on it that have exhibited the following behavior: When the VM is rebooted it will occasionally just lose all network ...
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1answer
9k views

Access to host on Hyper-V Default Switch

As we know, with Fall Creators update Microsoft added so-called Default Switch, an out-of-the-box type of switch which simplifies networking and combine features of internal and external switches. ...
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1answer
230 views

Single vSwitch, multiple physical NICs, no way to team - is this possible?

I have two Hyper-V hosts connected to a single* ASA5505 appliance that does switching and routing for them and various VMs on those hypervisors. Now, as the traffic increases, the ASA became the ...
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1answer
377 views

Display Hyper-V vSwitch configuration in Powershell

Is there a way to display the full settings of a specific Hyper-V vSwitch using Powershell? I'm trying to configure port-mirroring from the vSwitch to the Destination vNIC on a VM and so I've set the ...
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3answers
154 views

Can NICs/vSwitches be 'shared' on a Hyper-V 2016 host?

I've been reading documentation until my vision is blurred. I'm sure this has a simple solution, but all the docs I'm finding go into excruciating detail on how to set something up—nothing on whether ...
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1answer
348 views

How to expose a virtual subnet to a physical NIC?

I've created a NAT switch on my Hyper-V host (host range 192.168.2.0/24), as described here. It works well, and I've got an old PDC running in its own subnet (subnet range 10.10.10.0/8). Problem: ...
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0answers
448 views

No Internet Access in VMWare VM and specific VLAN

I have a VM that was in a VLAN (3) and has a static IP address. Yesterday i could not connect via rdp and found out that it lost its connection. Things I tried first: Disable / Enable Network Adapter ...
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0answers
615 views

Why does Hyper-V not enable this VMSwitchExtension?

The long and short of it is: PS C:\WINDOWS\system32> Get-VMSwitch vSwitch Name SwitchType NetAdapterInterfaceDescription ---- ---------- ------------------------------ vSwitch External ...
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1answer
2k views

Unidentified Network on Hyper V External Switch

I'm trying to install Windows Server 2012 R2 DataCenter on Hyper-V Windows 8.1. I've enabled Hyper-V Virtualization from BIOS/UEFI and installed Server 2012 R2 with no issues at all. But now when I ...
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1answer
148 views

Separate VMWare ESXi monitored by one Security Onion instance - possible?

I'm running multiple VMWare ESXi (free) instances installed on blade system. Is there any possibility to monitor this multiple instances (which are not using any distributed vswitch - each has its own)...
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1answer
14k views

ESXi network setup for VMs which connect to the Internet through PfSense [closed]

Using ESXi v6 with the following setup: One standard Switch: vSwitch0 vSwitch0 has one uplink physical adapter (Internet connected, and this is the only physical adapter) vSwitch0 VM Network has 3 ...
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2answers
8k views

Hyper-V guest doesn't see the internet through external virtual switch

I have a Windows Server 2012 R2 Essentials host with 1 NIC and I installed a Hyper-V guest of the same type (Windows Server 2012 R2 Essentials). I added an external virtual switch (allowing management ...
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0answers
531 views

Remove hyper-v virtual switch extensions adapters from device manager

After reading the solution to this question I still cannot solve my problem. In my device manager I still see this virtual switch, but it's not present in my hyper-v manager and using the powershell ...
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2answers
148 views

Guest VMs cant reach each other on Different ESXi Servers

I have two vSphere EXSI 6 servers both setup with the same vSwitchs and connected to the same physical switches Server 1: eth0 => vlan143 (mapped to CORE/Management vSwitch) eht1 => vlan140 (...
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1answer
75 views

How to subnet in virtual SMB networks

I'm setting up a Server 2012 R2 with Hyper-V role in a typically SMB environment (virtualized DC and Exchange on one single Host). Before, in the SBS times, there usually was one physical server, a ...
2
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2answers
38 views

Finding/Setting vSwitch for Ethernet Adapter

I have a virtualization host (could be either VSphere or SCVVM) that has four NICs, two 1 gbps and two 10 gbps. This machine hosts a VM on two vSwitches with unique names (such as vSwitch0 and ...
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1answer
143 views

Is there any ways to route ESXi vSwitch via another vSwitch?

Due to specific terms of service provider I need a solution for the following problem. I have two hosts with a LAN port group for the VM's. Hosts are connected to each other with RPN network. I can't ...
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1answer
2k views

VMWare ESXI vNetworking - vSwitches bridged by multiple multiple Layer 2 bridge hosts

I want to create a multi-VM pfsense cluster ESXI. For those that are not familiar with pfsense, consider it a Free BSD based router/switch (with many features on top of it, but not necessary for this ...
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0answers
50 views

Can a virtual switch be depatched?

Is it possible to depatch a virtual switch; And is there any point to doing so on a virtual switch?
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0answers
3k views

Hyper-V 2012 R2 creates multiple vEthernet adapters

on our Windows 2012 R2 Hyper-V Free server, which will host the VM now running on an ESXi, I messed up launching twice the Add-VMNetworkAdapter cmdlet. These are the steps I took: create a ...
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1answer
1k views

Do ESXi vSwitches have their own mac address?

I'm in the process of trying to decommission a few subnets which are believed to be no longer in use. When I query the mac address table on the physical switch for the vlans associated with these ...
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2answers
4k views

Creating a bridged network in ESXi VSphere using VSphere client

I'm new to ESXi and i'm trying to configure a small server of guest machines, each running windows 7 starter. my goal is to let the workers connect to the ESXi server, get a windows "computer" and be ...
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2answers
5k views

How to configure NIC teaming on free VMWare ESXi 5.5?

There are articles online that describe this process for paid version of ESXi via VDS. My understanding is that VDS is not available on free ESXi version. We, however, do not need fully blown HA on ...
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1answer
574 views

Virtual network - tracert to local vm results in over 255 hops [closed]

Why does my tracert take over a maximum of 255 hops, when both vm's are on the same local network, hosted on my laptop? I have a laptop which is connected to my home router via wireless lan with ...
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1answer
1k views

How to remove a VLAN tag from a VSwitch (VSW) in LDom OVM SPARC

I have a OVM SPARC 3.x server and one of its switches is set with a vlan tag. In the example below the VSW has a VID of 200. How do I remove the tag? I cannot remove the vswitch, as other guests are ...
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1answer
536 views

Prevent Guests in same vSwitch talking to one another

Long story short. I would like to prevent guests in the same vSwitch from communicating to one another. I am at a loss as to how to make this happen. Any ideas please? I have been reading on ...
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2answers
4k views

VMware two vSwitches Guests can't communicate between them

I have some servers in this configuration: (complete configuration) And I am not able, from VMGuest1, to ping either VMGuest3 or VMGuest4. I can, however, ping Host1 and Host2, which are attached to ...
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3answers
2k views

Link aggregation in ESXi 5.5 [closed]

I have a virtual machine on my ESXi server with Ubuntu installed on it. The server has 4 1Gb/s ports that I want to use them all for my virtual machine. An obvious (yet kinda stupid) way would be ...
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1answer
373 views

VMWare - Connecting two hosts (not physically connected) via a vSwitch

I have an esxi 5.5 host in Chicago and Dallas. Both servers are controlled by my vcenter server. I have a MySQL server in chicago that is accessed through an internal only vswitch from the servers on ...
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1answer
2k views

Promiscous mode on vmware workstation

I am trying to do the network setup in the openstack configuration on 3 Ubuntu vm with vmware workstation, but in order to work I get the following indication : If you are building your OpenStack ...
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2answers
6k views

How do I give label to vSwitches on VMWare?

I've searched extensively trying to name the vSwitches that I create, but all I can name them are "vSwitchX" where x= some number. How do I give these switches names? I'm using the Web Client. Thanks!...
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1answer
539 views

Emulate VMware vswitch on KVM [duplicate]

I'm wondering how I would go about emulating how a standard vswitch works in KVM. In VMware you have the following: vmnic -> vswitch(tagged) -> port group (untagged) So all traffic going to the ...
4
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1answer
610 views

Automating Configuration of VMware's vSwitch (OpenStack/libvirt/Nova)

There's a lot of talk now about VMware integrating with OpenStack now. I've noticed that Nova network service is working with VMware's standard and vDS. Deploying a full OpenStack instance is not ...
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1answer
317 views

Esx 5.5 how to link vswitch1 with vswitch0?

I am not so good in virtual networking. The problem that I'm facing now is, I have 2 vswitches, vswitch1 and vswitch0. Vswitch0 has internet access and public ip. Vswitch1 has no adapter and has been ...
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2answers
1k views

Multiple subnets on VMware host

I have two VMware vSphere 5.1 hosts. Each host is connected via a switch to gateway 192.168.20.1. Currently both hosts have their vSwitches using network 192.168.20.0. I'd like to have the two ...
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4answers
35k views

Can you change the virtual NIC type after building a VM?

When building a VM, you can select which virtual device type you would like a vNIC to be (E1000, VMXNET3, etc). After the VM is created, can you change the type of vNIC in use on a given connection (...
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1answer
4k views

VMWare vSwitch VLAN IDs and tagged/untagged ports

Similar to this question: What happens when a port is configured as ACCESS and is a part of VLAN 'X' and we get a packet of VLAN 'Y' on that port? Will the switch drop it or it will add a VLAN ...
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2answers
8k views

VMware ESX: Unable to delete PortGroup. 1 active ports

At work we have an ESX 4.1 cluster with some vlan's (Port Groups) configured on a vswitch on each host. A lot of these port groups aren't in use anymore so we decided to clean them up. We don't have ...
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1answer
156 views

Is Open vSwitch necessary for my setup?

I've been considering moving my VMware-based dedicated server to Linux using KVM/QEMU. The only major hurdle remaining is networking. My current setup is: NIC <---> Public vSwitch <---> ...
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2answers
4k views

VMware vSwitch and double tagging (QinQ)

I'm experiencing an issue while trying to pass double tagged through a vSwitch. A physical interface on the VMWare host machine is receiving double tagged traffic - the outer tag differentiates ...
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1answer
778 views

How to connect two vswitches in vsphere client 5? [closed]

We just had a server installed and the guy doing the installation put our server, internet access etc on one vswitch and then connected the other to our storage server, which obviously our VMs need to ...
2
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1answer
576 views

Hyper-V swich, give internal network access to Internet on Win 8

I'm running a lab environment on my W8 laptop, using Hyper-V. I've set up a virtual switch that's internal, but I would prefer to give the internal machines access to the internet. Ok, why not an ...
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4answers
2k views

Can 2 VMs communicate if not on the same vSwitch?

I have two vSwitches like this: On vSwitch0, I have 3 VMs. On vSwitch1, I have 1 VM. I want to know if it is possible for the VM on vSwitch1 to communicate with a VM on vSwitch0 without going ...